The thermionic vacuum tube and its applications (1920)
Van der Bijl, Hendrik Johannes, 1887- · New York McGraw-Hill Book, Co · leaf 317
ent between filament and grid; that is, whenthe grid becomes positive during part of the time that the a-c.potential on the grid is positive. When the grid becomes positiveit attracts electrons, and current flows through the resistance Rs.During the rest of the cycle there is no flow of electrons… … Fig. 169. Fig. 170 shows a Colpitts circuit as it can be used in practice.In tliis case the resistance Rs is replaced by a choke coil Chi.The alternating and direct current in the plate circuit are sep-arated by means of the choke coil C/i2 and the capacity Cs. The
Telegraph, Wireless
Internet Archive · Gerstein Library, University of Toronto · Public Domain Mark 1.0. Free to use for anything.
